From: badari <pbadari@us.ibm.com>
To: andrew <akpm@osdl.org>, lkml <linux-kernel@vger.kernel.org>,
manfred@colorfullife.com
Subject: 2.6.5-rc2-mm2 ipc hang fix
Date: Thu, 25 Mar 2004 17:53:35 -0800 [thread overview]
Message-ID: <40638D1F.C296F528@us.ibm.com> (raw)
Hi Andrew,
I ran into ipc hang while trying to shutdown database. Problem seems
to be due to missing sem_unlock() in find_undo(). Here is the patch
to fix the problem.
Please apply.
Thanks,
Badari
--- linux/ipc/sem.c 2004-03-26 05:19:22.833959160 -0800
+++ linux.new/ipc/sem.c 2004-03-26 05:19:57.047757872 -0800
@@ -972,8 +972,10 @@ static struct sem_undo *find_undo(int se
if(sma==NULL)
goto out;
un = ERR_PTR(-EIDRM);
- if (sem_checkid(sma,semid))
+ if (sem_checkid(sma,semid)) {
+ sem_unlock(sma);
goto out_unlock;
+ }
nsems = sma->sem_nsems;
sem_unlock(sma);
next reply other threads:[~2004-03-26 1:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-26 1:53 badari [this message]
2004-03-26 5:57 ` 2.6.5-rc2-mm2 ipc hang fix Manfred Spraul
2004-03-26 17:16 ` Badari Pulavarty
2004-03-26 17:36 ` 2.6.5-rc2-mm2 ipc hang fix (final version) Badari Pulavarty
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